I have a a problem with zpool import after having
problems with 2 disks in RAID 5 (hardware raid). There are some bad blocks on
that disks.
#zpool import
..
state: FAULTED
status: The pool metadata is corrupted.
..
#zdb -l /dev/rdsk/c4t600C0FF00000000009258F4855B59001d0s0
is OK.
I managed to find that uberblock is ok, but import fails on reading first
dataset.
All 3 blocks gots checksum error ( output from mdb ).
> 0x495ef80::print -a -t mirror_map_t mm_child[0]
{
495ef90 vdev_t *mm_child[0].mc_vd = 0x49b20c0
495ef98 uint64_t mm_child[0].mc_offset = 0x2023216000
495efa0 int mm_child[0].mc_error = 0x32
495efa4 short mm_child[0].mc_tried = 0x1
495efa6 short mm_child[0].mc_skipped = 0
}
> 0x495ef80::print -a -t mirror_map_t mm_child[1]
{
495efa8 vdev_t *mm_child[1].mc_vd = 0x49b20c0
495efb0 uint64_t mm_child[1].mc_offset = 0x166234f3a00
495efb8 int mm_child[1].mc_error = 0x32
495efbc short mm_child[1].mc_tried = 0x1
495efbe short mm_child[1].mc_skipped = 0
}
> 0x495ef80::print -a -t mirror_map_t mm_child[2]
{
495efc0 vdev_t *mm_child[2].mc_vd = 0x49b20c0
495efc8 uint64_t mm_child[2].mc_offset = 0x2ba4ac88a00
495efd0 int mm_child[2].mc_error = 0x32
495efd4 short mm_child[2].mc_tried = 0x1
495efd6 short mm_child[2].mc_skipped = 0
}
What can I do to get my data back ?
Is there a way to import zpool using other uberblock ( from previous txg ) ?
--Lukas Karwacki
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